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 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
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 * and/or sell copies of the Software, and to permit persons to whom the
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 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of Maxim Integrated
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 * Products, Inc. Branding Policy.
 *
 * The mere transfer of this software does not imply any licenses
 * of trade secrets, proprietary technology, copyrights, patents,
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 ******************************************************************************/

#ifndef _SYSTEM_MAX78000_H_
#define _SYSTEM_MAX78000_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

/*----------------------------------------------------------------------------
  Define clocks
 *----------------------------------------------------------------------------*/

/* NOTE: HIRC was previously named CRYPTO */
#ifdef CRYPTO_FREQ
#warning WARNING: CRYPTO_FREQ does not exist in MAX78000, replace with HIRC_FREQ!
#define HIRC_FREQ CRYPTO_FREQ
#endif

/* NOTE: EXTCLK needs to be defined by user based on the clock they supply */
#ifndef EXTCLK_FREQ
#define EXTCLK_FREQ               75000000
#endif

/* NOTE: This is the nominal value for INRO. The actual value may vary from chip to chip. 
         Update if use of this oscillator requires precise timing.
		 This is default device setting. Update this if user changes to other 
		 available value.*/
/* NOTE: INRO was previously named NANORING */
#ifndef INRO_FREQ
#define INRO_FREQ                 30000
#endif

#ifndef IPO_FREQ
#define IPO_FREQ                  100000000
#endif

#ifndef ISO_FREQ
#define ISO_FREQ                  60000000
#endif

#ifndef IBRO_FREQ
#define IBRO_FREQ                 7372800
#endif

#ifndef ERTCO_FREQ
#define ERTCO_FREQ                32768
#endif
	
#ifndef HIRC_FREQ
#define HIRC_FREQ                 IPO_FREQ
#endif

extern uint32_t SystemCoreClock;                            /*!< System Clock Frequency (Core Clock)  */
#ifdef PeripheralClock
#warning PeripheralClock define is being overidden.
#else
#define PeripheralClock           (SystemCoreClock /2)    /*!< Peripheral Clock Frequency */
#endif

/*
 * Initialize the system
 *
 * @brief  Setup the microcontroller system.
 *         Initialize the System and update the SystemCoreClock variable.
 */
void SystemInit(void);

/*
 * Update SystemCoreClock variable
 *
 * @brief  Updates the SystemCoreClock with current core Clock
 *         retrieved from CPU registers.
 */
void SystemCoreClockUpdate(void);

#ifdef __cplusplus
}
#endif

#endif /* _SYSTEM_MAX78000_H_ */
